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Today's Topics:
1. [mingw] #39639: no iconv implementation (MinGW Notification List)
2. [mingw] #39658: mingwrt 5.2.2 does not expose function
rand_s? (MinGW Notification List)
3. [mingw] #39639: no iconv implementation (MinGW Notification List)
----------------------------------------------------------------------
Message: 1
Date: Sat, 12 Oct 2019 11:17:04 +0100
From: MinGW Notification List <[email protected]>
To: OSDN Ticket System <[email protected]>
Subject: [MinGW-Notify] [mingw] #39639: no iconv implementation
Message-ID: <[email protected]>
Content-Type: text/plain; charset=UTF-8
#39639: no iconv implementation
Open Date: 2019-10-05 18:58
Last Update: 2019-10-12 11:17
URL for this Ticket:
https://osdn.net//projects/mingw/ticket/39639
RSS feed for this Ticket:
https://osdn.net/ticket/ticket_rss.php?group_id=3917&tid=39639
---------------------------------------------------------------------
Last Changes/Comment on this Ticket:
2019-10-12 11:17 Updated by: keith
* Owner Update from (None) to keith
Comment:
I've rebuilt GCC 8.2.0 with the libiconv location added to my build compiler's
implicit search path, (via the specs file). I now see:
$ mingw32-ldd gcc/cc1.exe
gcc/cc1.exe
+- ADVAPI32.DLL
+- KERNEL32.dll
+- msvcrt.dll
+- msvcrt.dll
+- USER32.dll
+- libgmp-10.dll
| +- KERNEL32.dll
| +- msvcrt.dll
| +- msvcrt.dll
+- libiconv-2.dll
| +- kernel32.dll
| +- msvcrt.dll
| +- msvcrt.dll
+- libisl-15.dll
| +- :
| +- :
| +- :
(where previously, the libiconv-2.dll reference was missing).
I've uploaded this as a gcc-8.2.0-5-mingw32 package set. Please test this, and
confirm that it resolves the issue for you.
---------------------------------------------------------------------
Ticket Status:
Reporter: zhangboyang
Owner: keith
Type: Issues
Status: Open [Owner assigned]
Priority: 5 - Medium
MileStone: (None)
Component: OTHER
Severity: 5 - Medium
Resolution: None
---------------------------------------------------------------------
Ticket details:
I have been used mingw-gcc for a long time. However, I found the
'-finput-charset=' option not always works correctly across versions. For
example, with the latest mingw-gcc version 8.2.0-4, runing 'gcc -finput-charset
=GB18030 helloworld.c' will throw out error, which says 'no iconv
implementation'.
My further investigation shows the iconv support wasn't compile into mingw-gcc
8.2.0-4. The error message 'no iconv implementation' (which is located in gcc's
charset.c) will only be compiled into cc1.exe when HAVE_ICONV is false.
I downloaded serveral versions of cc1.exe, from gcc 5 to gcc 8. I found 5.3.0-2
and 6.3.0-1 had iconv compiled in, but 5.3.0-3, 7.3.0-1, 8.2.0-4 had no iconv
complied in.
I googled the error message 'no iconv implementation', and I found many similar
issues, some even dated back to 2009, but there is no clear solution or
explaination. I think there might be a problem in your build script, such as
some kind of race condition, which will lead to configuration script not find
iconv library.
--
Ticket information of MinGW - Minimalist GNU for Windows project
MinGW - Minimalist GNU for Windows Project is hosted on OSDN
Project URL: https://osdn.net/projects/mingw/
OSDN: https://osdn.net
URL for this Ticket:
https://osdn.net/projects/mingw/ticket/39639
RSS feed for this Ticket:
https://osdn.net/ticket/ticket_rss.php?group_id=3917&tid=39639
------------------------------
Message: 2
Date: Sat, 12 Oct 2019 13:12:45 +0100
From: MinGW Notification List <[email protected]>
To: OSDN Ticket System <[email protected]>
Subject: [MinGW-Notify] [mingw] #39658: mingwrt 5.2.2 does not expose
function rand_s?
Message-ID: <[email protected]>
Content-Type: text/plain; charset=UTF-8
#39658: mingwrt 5.2.2 does not expose function rand_s?
Open Date: 2019-10-06 13:50
Last Update: 2019-10-12 13:12
URL for this Ticket:
https://osdn.net//projects/mingw/ticket/39658
RSS feed for this Ticket:
https://osdn.net/ticket/ticket_rss.php?group_id=3917&tid=39658
---------------------------------------------------------------------
Last Changes/Comment on this Ticket:
2019-10-12 13:12 Updated by: keith
Comment:
Reply To sping
To give an example where I would expect rand_s to be more secure than rand
is protection against hash flooding where the entropy keeps an attacker
from crafting a large number of strings that all hash to the same value and
hence significantly degrade performance of the hash table in the processing
application.
Well, here we have a fundamental difference in perception. To me, that's just
greater quality of implementation, not greater security. Sure, the greater QOI
allows you (indirectly) to make your application more secure, but it isn't
rand_s() itself which is more secure.
---------------------------------------------------------------------
Ticket Status:
Reporter: sping
Owner: (None)
Type: Issues
Status: Open
Priority: 5 - Medium
MileStone: (None)
Component: WSL
Severity: 5 - Medium
Resolution: None
---------------------------------------------------------------------
Ticket details:
Hi!
Windows introduced function rand_s some time and while I find mention of it in
MinGW's msvcrt-xref.pdf I cannot find a signature for it in mingwrt 5.2.2
headers. Are there plans to add a prototype to MinGW? We're about to define a
prototype in https://github.com/libexpat/libexpat/pull/356/files for MinGW in
Expat ourselves now but it seems like the real fix would be to have it in MinGW
for everyone — what do you think?
On a side note, msvcrt-xref.pdf says that rand_s is not contained in Windows XP
but contained in Windows Vista an after. The way I read the MS docs they imply
availability in Windows XP but it might be wishful thinking — if you know for
sure, I'd be interested in more details.
Thanks and best, Sebastian
--
Ticket information of MinGW - Minimalist GNU for Windows project
MinGW - Minimalist GNU for Windows Project is hosted on OSDN
Project URL: https://osdn.net/projects/mingw/
OSDN: https://osdn.net
URL for this Ticket:
https://osdn.net/projects/mingw/ticket/39658
RSS feed for this Ticket:
https://osdn.net/ticket/ticket_rss.php?group_id=3917&tid=39658
------------------------------
Message: 3
Date: Sat, 12 Oct 2019 21:50:11 +0900
From: MinGW Notification List <[email protected]>
To: OSDN Ticket System <[email protected]>
Subject: [MinGW-Notify] [mingw] #39639: no iconv implementation
Message-ID: <[email protected]>
Content-Type: text/plain; charset=UTF-8
#39639: no iconv implementation
Open Date: 2019-10-06 02:58
Last Update: 2019-10-12 21:50
URL for this Ticket:
https://osdn.net//projects/mingw/ticket/39639
RSS feed for this Ticket:
https://osdn.net/ticket/ticket_rss.php?group_id=3917&tid=39639
---------------------------------------------------------------------
Last Changes/Comment on this Ticket:
2019-10-12 21:50 Updated by: zhangboyang
Comment:
Thanks for your reply. But I don't know how to install the new package set, is
there any documention? The gcc version in latest mingw-get catalog is still
8.2.0-4.
---------------------------------------------------------------------
Ticket Status:
Reporter: zhangboyang
Owner: keith
Type: Issues
Status: Open [Owner assigned]
Priority: 5 - Medium
MileStone: (None)
Component: OTHER
Severity: 5 - Medium
Resolution: None
---------------------------------------------------------------------
Ticket details:
I have been used mingw-gcc for a long time. However, I found the
'-finput-charset=' option not always works correctly across versions. For
example, with the latest mingw-gcc version 8.2.0-4, runing 'gcc -finput-charset
=GB18030 helloworld.c' will throw out error, which says 'no iconv
implementation'.
My further investigation shows the iconv support wasn't compile into mingw-gcc
8.2.0-4. The error message 'no iconv implementation' (which is located in gcc's
charset.c) will only be compiled into cc1.exe when HAVE_ICONV is false.
I downloaded serveral versions of cc1.exe, from gcc 5 to gcc 8. I found 5.3.0-2
and 6.3.0-1 had iconv compiled in, but 5.3.0-3, 7.3.0-1, 8.2.0-4 had no iconv
complied in.
I googled the error message 'no iconv implementation', and I found many similar
issues, some even dated back to 2009, but there is no clear solution or
explaination. I think there might be a problem in your build script, such as
some kind of race condition, which will lead to configuration script not find
iconv library.
--
Ticket information of MinGW - Minimalist GNU for Windows project
MinGW - Minimalist GNU for Windows Project is hosted on OSDN
Project URL: https://osdn.net/projects/mingw/
OSDN: https://osdn.net
URL for this Ticket:
https://osdn.net/projects/mingw/ticket/39639
RSS feed for this Ticket:
https://osdn.net/ticket/ticket_rss.php?group_id=3917&tid=39639
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